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18
2022-03
The structural components of an electrical discharge machining (EDM) machine.
The structure of the electrical discharge machining (EDM) machine includes the bed, column, shaft, and worktable, primarily used for clamping and adjusting the tool and workpiece. The machine body needs to have sufficient rigidity to prevent deformation during the machining process, which could lead to changes in the discharge gap and hinder the machining process.
2022-03-18
Maintenance and Care of Electrical Discharge Machining (EDM) Machines
CNC electrical discharge machining (EDM) machines are not suitable for operation in dirty and high-temperature humid environments. The power supply environment also has high requirements; the machine's supply voltage should not deviate more than ±10%, and the three phases should be balanced and stable. If the power grid is too harsh, a voltage stabilizer must be installed. In addition to regular cleaning and lubrication, the following parts of the machine must also be carefully maintained:
Guide to Selecting Electrical Discharge Machining (EDM) Equipment
The four key performance factors of electrical discharge machining (EDM) machines are: surface finish, electrode wear, machining speed, and machining accuracy. Based on the requirements of the product to be processed, select the appropriate EDM machine by referring to these four key factors.
Applications of Electric Discharge Machining (EDM) Machines
The electrical discharge machining (EDM) machine tool is a special processing machine that uses the principle of electrical discharge machining to process conductive materials. It is also known as an electro-erosion machine tool. EDM machine tools are mainly used for machining various high-hardness materials (such as hard alloys and hardened steel) and complex-shaped molds and parts, as well as for cutting, grooving, and removing broken tools (such as drill bits and taps) from workpiece holes.
The working principle of an electrical discharge machining (EDM) machine tool.
When the electrical discharge machining (EDM) machine is performing electrical discharge machining, the tool electrode and the workpiece are connected to the two poles of a pulse power supply and are immersed in a working fluid, or the working fluid is filled into the discharge gap. The automatic control system manages the feed of the tool electrode towards the workpiece. When the gap between the two electrodes reaches a certain distance, the pulse voltage applied to the two electrodes will break down the working fluid, resulting in spark discharge.
10
What is an electrical discharge machining (EDM) machine?
Electrical discharge machining (EDM) is a type of machine tool that uses the principle of electrical discharge to erode the surface of metal parts. Because the principle of electrical discharge machining differs from that of conventional metal cutting, EDM machines have a different structure compared to regular metal cutting machines.
2022-03-10